Toggle Flood with One Button

This example shows you how to toggle the flood coolant with a single button. It can be a physical button or a pyvcp button or both if you add and or2 to use either button. In this example I used a pyvcp button.

The image shows the basic connections. It breaks down like this:
If the button is pushed AND the machine is on then input to toggle is on.
When toggle input is on change the output state
When toggle out is on toggle2nist input is on.
When toggle2nist in changes states
If coolant is on output off
If coolant is not on output on



John

now dats some good xplaneing.
gonna see if it can use it on my on/off - run/stop pyvcp button.
Great Job ! T'anks !



p.s. edited - your toggle(in file, not pic) are mismatched?

piasdom wrote:

p.s. edited - your toggle(in file, not pic) are mismatched?

What do you mean?

John

well, i got the below to work but there's a slight delay
for my led to change. but other then that, it works.
THANKS John !
will be testing to see it gets out of sync anywhere.


#power on/off
net power-btn and2.11.in0 <= pyvcp.on-off
net power-ok and2.11.in1 <= halui.program.is-idle
net power-request toggle.4.in <= and2.11.out
net power-toggle toggle2nist.2.in <= toggle.4.out
net power-is-on toggle2nist.2.is-on <= halui.machine.is-on
net power-on halui.machine.on <= toggle2nist.2.on
net power-off halui.machine.off <= toggle2nist.2.off

shouldn't toggle be toggle.0.in and toggle.0.out ?




yours:

net coolant-request toggle.0.in <= and2.0.out
net coolant-toggle toggle2nist.0.in <= toggle.1.out

Yes, that was a good catch on that typo. Sometimes you can't see the forest for the trees... or something like that.

Thanks
John

Not sure that I would use halui.program.is-idle for your power on/off as it is true even if the e-stop is active which means you can't turn the power on in that state. I would use halui.estop.is-activated with a not to invert the state of the pin as part of my and2.

John

no biggie, i know it's correct in your working file or it wouldn't work

BigJohnT wrote:

Not sure that I would use halui.program.is-idle for your power on/off as it is true even if the e-stop is active which means you can't turn the power on in that state. I would use halui.estop.is-activated with a not to invert the state of the pin as part of my and2.

John

cool. i'll try that.

could i use toggle instead. not.0 slows emc a lot
and what about using iocontrol.0.user-request-enable
to change state with toggle ?